Colossus Bid Adapter: add new param (prebid#3663)

* Updated docs Colossusssp Adapter

* Update colossusssp.md

Add media types

* Update colossusssp.md

add usp consent support

* adding schain flag

* gdpr and user ids

* id5id support

* Prebid server info

* Remove PBS params

* Add colossus PBS docs

* Add short note for pbs adapter parametres

* Add note for pbjs parametres

* Fix

* remove duplicate string

* Update colossusssp.md

Ad biddflorr parameter

* add uid2

* fix

* fix

* add group_id

* add groupId

Co-authored-by: Vladislav Isaiko <[email protected]>
Co-authored-by: bretg <[email protected]>
Co-authored-by: Aiholkin <[email protected]>

dev-docs/bidders/colossus.md

@@ -18,6 +18,9 @@ pbs_app_supported: true
 {: .table .table-bordered .table-striped }
 | Name           | Scope    | Description                                              | Example    | Type      |
 |----------------|----------|----------------------------------------------------------|------------|-----------|
-| `TagID` | required | Placement Id will be generated on Colossus SSP Platform. | `'0'`        | `string` |
+| `TagID` | optional | Placement Id will be generated on Colossus SSP Platform. | `'0'`        | `string` |
+| `groupId` | optional | Group Id will be generated on Colossus SSP Platform. | `'0'`        | `string` |
+
+You only need to use one parameter: either TagID or groupId
 
 *For prebidJS parametres, look into colossusssp.md*